Powell Fabrication & Manufacturing, Inc.

Pneumatic Shutdown Systems - Railcar Unloading


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FAQ about Pneumatic Valve Closure Systems for 150 lb Cylinders and Ton Containers

How much air pressure is required? How does it mount on the valve? Can it accommodate a vacuum regulator (chlorinator)? How does it detect a leak? More...

 

FAQ about Pneumatic Valve Closure Systems for Railcars and Bullet Tanks

How much air pressure is required? What if the gas I service is combustible? My process automatically shuts down in a leak. Why would I need the UniPro? More...

 

UL-CUL Approved

Powell Valve Closure System control panels (UniPro family, MaxPro™ RA & E-Pro®) are listed by Underwriters Laboratory to UL 508A for Enclosed Industrial Control Panels. Panels are listed by Underwriters Laboratory bearing the UL & CUL mark for use in the United States and Canada markets. In applications where a CSA listed control panel in Canada is required, please contact Powell for further information.

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Pneumatic Emergency Shutdown Systems for Railcars, Tank Cars, and Bullet Tanks

The only emergency shutdown system technology designed for 20-ton bullet tanks to 90-ton railcars, this patent-pending system prevents reportable releases of pressurized hazardous gases at the source. Improve your Risk Management Planning (RMP) scenarios with a pneumatic-powered system that not only promises easy installation and low maintenance, but also superior performance and reliability.

On occasion, customers have applications that make use of modified or unique hardware. In these cases, Powell offers an Application Evaluation Service.

UniPro™ Standard Valve Closure System

UniPro Standard Designed to close a variety of plug-type angle valves on railcars and tank trucks with dome sizes between 24 and 42 inches in diameter. Automatically responds to any alarm input, closing valves with 120 lb-ft of torque in less than 10 seconds. More...

Applicable to a variety of valve designs and hazardous chemicals, the systems have a unique mounting bracket that can be mated to any of several available valve adapters. More...

 

UniPro™ R (Reversible) Valve Closure System

UniPro R

The only reversible emergency valve closure technology designed for 20-ton bullet tanks to 90-ton railcars, this patent-pending system prevents reportable releases of pressurized hazardous gases at the source. Plus, the UniPro™ R system is easily "reversible" - helping reduce operator effort and potential injuries. More...

 

 

UniPro™ LT (Low Torque) Valve Closure System

UniPro LT

The only low-torque emergency valve closure technology designed for 20-ton bullet tanks to 90-ton railcars, this patent-pending system prevents reportable releases of pressurized hazardous gases at the source. Plus, the UniPro™ LT system is specifically designed for "low-torque" valves to prevent damage to the valve seat. More...

UniPro™ LTR (Low Torque, Reversible) Valve Closure System

UniPro LTR

The only low-torque, reversible emergency valve closure technology designed for 20-ton bullet tanks to 90-ton railcars, this patented system prevents reportable releases of pressurized hazardous gases at the source. Plus, the UniPro™ LTR system is specifically designed for "low-torque" valves to prevent damage to the valve seat. More...

 

UniPro QT™ (Quarter Turn) Valve Closure System

UniPro QT The only quarter-turn emergency valve closure technology designed for 20-ton bullet tanks to 90-ton railcars, this patent-pending system prevents reportable releases of pressurized hazardous gases at the source. Plus, the UniPro™ QT system is uniquely designed for "quarter-turn" ball-type valves. More...